iP or domain name lookup

lulongbbs.com Server iP：

Current resolution：

domain resolution record：

2020-09-25-----2020-10-06 154.209.134.133

2020-07-20-----2020-09-17 47.91.170.222

2020-01-23-----2020-07-20 154.212.234.60

2019-06-07-----2019-07-16 104.217.97.104

2017-08-25-----2017-11-18 157.119.71.117

2017-04-12-----2017-04-12 118.184.48.227

2017-03-23-----2017-03-24 118.184.48.203

2016-12-16-----2017-03-15 103.208.35.172